Finding the Fourth Proportional to 2,047.17, 3,065.24 and 1,071.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.17 : 3,065.24 = 1,071.21 : x
2. Step 2: Convert to fraction form
   2,047.17/3,065.24 = 1,071.21/x
3. Step 3: Cross multiply
   2,047.17x = 3,065.24 × 1,071.21
4. Step 4: Simplify right side
   2,047.17x = 3,283,510.38
5. Step 5: Solve for x
   x = 3,283,510.38/2,047.17
6. Step 6: Final answer
   x = 1,603.93